/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2008 INRIA
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
 */

#include "flow-client-helper.h"

namespace ns3 {

FlowClientHelper::FlowClientHelper ()
{
  m_factory.SetTypeId ("ns3::FlowClientApplication");
}


FlowClientHelper::FlowClientHelper (Address address)
{
  m_factory.SetTypeId ("ns3::FlowClientApplication");
  m_factory.Set ("Remote", AddressValue (address));
}

void 
FlowClientHelper::SetAttribute (std::string name, const AttributeValue &value)
{
  m_factory.Set (name, value);
}

ApplicationContainer
FlowClientHelper::Install (Ptr<Node> node) const
{
  return ApplicationContainer (InstallPriv (node));
}

ApplicationContainer
FlowClientHelper::Install (std::string nodeName) const
{
  Ptr<Node> node = Names::Find<Node> (nodeName);
  return ApplicationContainer (InstallPriv (node));
}

ApplicationContainer
FlowClientHelper::Install (NodeContainer c) const
{
  ApplicationContainer apps;
  for (NodeContainer::Iterator i = c.Begin (); i != c.End (); ++i)
    {
      apps.Add (InstallPriv (*i));
    }

  return apps;
}

Ptr<Application>
FlowClientHelper::InstallPriv (Ptr<Node> node) const
{
  Ptr<Application> app = m_factory.Create<Application> ();
  node->AddApplication (app);

  return app;
}

void
FlowClientHelper::EnableAscii (std::string prefix, NodeContainer n)
{
  for (NodeContainer::Iterator i = n.Begin (); i != n.End (); ++i)
  {
    Ptr<Node> node = *i;
    EnableAsciiInternal (prefix, node);
  }
}

void
FlowClientHelper::DefaultUpdateFlowCount(Ptr<OutputStreamWrapper> stream, uint32_t count )
{
  *stream->GetStream () << Simulator::Now ().GetMilliSeconds () << " " << count << std::endl;
}


void 
FlowClientHelper::EnableAsciiInternal (std::string prefix, Ptr<Node> nd)
{

  for (uint32_t appCount = 0; appCount < nd->GetNApplications () ; appCount ++ )
  {
    Ptr<Application> app = nd->GetApplication(appCount);
    if (app )
    {
      Ptr<FlowClientApplication> flowClientApplication = DynamicCast<FlowClientApplication> (app);
      if (flowClientApplication)
      {

        AsciiTraceHelper asciiTraceHelper;

        std::ostringstream oss;
        oss << prefix << "-" << appCount;

        std::string filename = asciiTraceHelper.GetFilenameFromNode (oss.str(), nd);
        std::cout << filename<<std::endl;

        Ptr<OutputStreamWrapper> stream = asciiTraceHelper.CreateFileStream (filename);
        flowClientApplication->TraceConnectWithoutContext("UpdateFlowCount", MakeBoundCallback (&FlowClientHelper::DefaultUpdateFlowCount,stream));
      }
    }
  }

}



} // namespace ns3
